College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter 2 - Functions and Graphs - Exercise Set 2.1 - Page 228: 129

Answer

C(100)=36 dollars per month with 100 minutes of calls

Work Step by Step

C(100)=20+0.4(100-60) C(100)=20+16 C(100)=36 dollars per month with 100 minutes of calls
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